error: initializer fails to determine size of ‘K’

Question

I get the error "intitializer fails to determine size of 'K'"at line

int K[]= new int[Vertices->total];

How do I solve it?

Answer 1

Change

int K[]= new int[Vertices->total]; 

to

int *K = new int[Vertices->total];

The 1st one is the Java way of creating an array, where you K is a reference to an integer array. But in C++ we need to make K a pointer to integer type.

Answer 2

new int[Vertices->total] returns a pointer and hence, int *K = new int[Vertices->total]; should work fine.

If you know the size of Vertices->total at compile time ( ie CONSTANT) then you could have used int K[Vertices->total]; // Allocates the memory on stack